Ejection hybrid modified PP (polypropylene) fiber enhanced cement-base composite material and preparation method thereof

The invention relates to an ejection hybrid modified PP (polypropylene) fiber enhanced cement-base composite material and a preparation method thereof. The ejection hybrid modified PP fiber enhanced cement-base composite material comprises the following ingredients in parts by weight: 19 to 36 parts of cement, 0.5 to 3 parts of silicon powder, 12 to 40 parts of river sand, 10 to 35 part of stone, 7 to 18 parts of water, 0.5 to 2.2 parts of accelerator, 0.07 to 1.5 parts of modified PP coarse fiber and 0.02 to 0.5 parts of modified PP fine fiber. The ejection hybrid modified PP fiber enhanced cement-base composite material also contains 0.1 to 0.8 part of water reducing agent. The ejection hybrid modified PP fiber enhanced cement-base composite material is obtained through the steps of primary stirring, secondary stirring and final settling. The product prepared through the method is low in cost, simple to process, low in requirement on the processing technology and operation environment and stable in mechanic